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Cinelerra is a free and open source software non-linear video editing system for the Linux operating system. (However, it has also been successfully ported to Mac OS X.) It is produced by Heroine Virtual, and is distributed under the GNU General Public License. Cinelerra also includes a video compositing engine, allowing the user to perform common compositing operations such as keying and mattes.

Install Cinelerra in Ubuntu Gutsy

First you need to edit the sources.list file using the following command

Cinelerra is free software, covered by the GNU General Public License,
and you are welcome to change it and/or distribute copies of it under
certain conditions. There is absolutely no warranty for Cinelerra.

I got this error:
void MWindow::init_shm0:WARNING:/proc/sys/kernel/shmmax is 0x2000000, which is too low.
Before running Cinelerra do the following as root:
echo “0x7fffffff”./proc/sys/kernel/shmmax

Do somebody knows about it? Please help. Thanks
I did the >>>>>>>

“Now open terminal and type
sudo gedit /etc/sysctl.conf
And add this line to the bottom of the file this adds the extra memory for Cinelerra to run properly
kernel/shmmax=0×7fffffff
Now save and close and run this command (instead of rebooting):
sudo sysctl -p”

Could you tell me why I get this error every time i run the project inside Cinelerra on ubuntu 10.04?
virtual int FileMOV::read_frame(VFrame*):quicktime_read_frame/quicktime_decode_video failed, result:

and any video runs slow and i can’t hear the sound. in ubuntu 9.04 worked fine 😐

I have wasted hours in searching installation instructions for Cinelerra. I have also downloaded the latest version from Cinelerra website, but that too failed to work.Also the instructions in most of the website found not suitable for my Ubutu version.Atlast the following instruction in a website found working for my Ubuntu 10.04 Lucid. They claim it will work for the following also.
Ubuntu Maverick 10.10 , Lucid 10.04, Karmic 9.10:
Here are the instruction.
Open a terminal by typing trl+ Alt+ T then paste the following commends one by one. Wait for each instruction to execute.
sudo add-apt-repository ppa:cinelerra-ppa/ppa
sudo apt-get update
sudo apt-get install cinelerra
for details see the website:http://www.g-raffa.eu/Cinelerra/HOWTO/installation.html

If that dosent work try adding ppa by issuing the following command in a command line by pressing Crrl+Alt+T
sudo add-apt-repository ppa:gwibber-daily/ppa
it will fetch the ppa, then issue the command
sudo apt-get update